Present Perfect vs Simple Past

I haven't seen that face before.

I (finish) _______ my homework since 7:00 pm.

-A: I (come / just) ________ back from Canada. -B: Oh really? What (you / do) ______ in Canada?

I cannot go out tonight. My grandparents (come) ________ to see us.

'For six weeks', 'since yesterday' and 'since 2011' are signal words for...

"Until now" is a signal word for...

We were in Cancún five months ago.

We (watch / not) ______ TV last night.

I (see / not) _______ you for a long time. Where _______ (you / be) ?

Caroline (miss) ________ the schoolbus yesterday.

She lived in that house a year.

(they / be / ever) _______ to New York?

I (buy / not) _______ anything new since the last month.

Yes, I (travel) _______ around Canada twice this year.

In 2004, the Olympic Summer Games (take) _______ place in Athens.

(you / see) _______ Catherine a minute ago?

"Ago" is a signal word for...

Have you traveled since you were 15?

-A: (you / enjoy) _______ the party? -B: I absolutely (love) _______ it, thanks.

'Yesterday', 'last week' and 'in 2006' are signal words for...